The safety of pumping water system in the mine is analysed and technique scheme of pump group pumping water system is put forward.
对矿井排水系统的安全性进行了分析，提出了泵组排水系统技术方案，并对这种方案的安全性、技术性、经济性给予探讨。
The safety of pumping water system in the mine is analysed and technique scheme of pump group pumping water system is put forward. And safety, technicality, economy of this measure has been studied.
对矿井排水系统的安全性进行了分析，提出了泵组排水系统技术方案，并对这种方案的安全性、技术性、经济性给予探讨。
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